Home / 126,141.76-189,249.12-37,397.44

Finding the Fourth Proportional to 126,141.76, 189,249.12 and 37,397.44

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Solution

The fourth proportional to 126,141.76, 189,249.12 and 37,397.44 is: 56,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,141.76 : 189,249.12 = 37,397.44 : x
  2. Step 2: Convert to fraction form
    126,141.76/189,249.12 = 37,397.44/x
  3. Step 3: Cross multiply
    126,141.76x = 189,249.12 × 37,397.44
  4. Step 4: Simplify right side
    126,141.76x = 7,077,432,610.25
  5. Step 5: Solve for x
    x = 7,077,432,610.25/126,141.76
  6. Step 6: Final answer
    x = 56,106.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.